package com.lzxm.dao;

import org.apache.ibatis.annotations.Param;

import com.lzxm.po.User;

public interface UserDao {

	public User selectByUsername(@Param("login_name") String username,@Param("login_pass") String password);
	
	public  void  updatLogin(User user);
	
	public String getUsernameById(int user_id);
}
